2643680615 has 48 divisors (see below), whose sum is σ = 3467953440. Its totient is φ = 1933148160.

The previous prime is 2643680597. The next prime is 2643680623. The reversal of 2643680615 is 5160863462.

It is not a de Polignac number, because 2643680615 - 2⁶ = 2643680551 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10286567 + ... + 10286823.

It is an arithmetic number, because the mean of its divisors is an integer number (72249030).

Almost surely, 2^2643680615 is an apocalyptic number.

2643680615 is a deficient number, since it is larger than the sum of its proper divisors (824272825).

2643680615 is a wasteful number, since it uses less digits than its factorization.

2643680615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480 (or 461 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The square root of 2643680615 is about 51416.7347757518. The cubic root of 2643680615 is about 1382.7266358120.

The spelling of 2643680615 in words is "two billion, six hundred forty-three million, six hundred eighty thousand, six hundred fifteen".